Datasheet > AT77C104B_08

AT77C104B_08

更新时间： 2022-12-20 06:53:32

品牌	Logo	应用领域
爱特美尔 - ATMEL		传感器
页数	文件大小	规格书
46页	1134K
描述
FingerChip Thermal Fingerprint Sweep Sensor, Hardware Based, Navigation and Click Function, SPI Interface

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AT77C104B_08 数据手册

1. Features

• Thermal Sensitive Layer Over a 0.35 µm CMOS Array

• Image Zone: 0.4 × 11.6 mm

• Image Array: 8 × 232 = 1856 pixels

• Pixel Pitch: 50 × 50 µm = 500 dpi Resolution

• Serial Peripheral Interface (SPI) - 2 Modes:

– Fast Mode at 16 Mbps Max for Imaging

– Slow Mode at 200 kbps Max for Navigation and Control

• Operating Voltage: 2.3 to 3.6V

FingerChip

Thermal

Fingerprint

Sweep Sensor,

Hardware

• Operating Temperature Range: -40°C to 85°C

• Finger Sweeping Speed from 2 to 20 cm/second

• Low Power: 4.5 mA (Image Acquisition), 1.5 mA (Navigation), <10 µA (Sleep Mode)

• Hard Protective Coating (>4 Million Sweeps)

• High Protection from Electrostatic Discharge

• Small Form Factor Packaging

• Direct PCB integration through High Reliability Snap in Holder

• Comply with the European Directive for Restriction of Hazardous Substances (RoHS

Directive)

Based,

2. Description

Navigation and

Click Function,

SPI Interface

This document describes the specifications of Atmel’s AT77C104B fingerprint sensor

dedicated to PDA, cellular and smartphone applications. Based on FingerChip^®ther-

mal technology, the AT77C104B is a linear sensor that captures fingerprint images by

sweeping the finger over the sensing area. This product embeds true hardware-based

8-way navigation and click functions.

AT77C104B

3. Applications

• Scrolling, Menu and Item Selection for PDAs, Cellular or Smartphone Applications

• Cellular and Smartphones-based Security (Device Protection, Network and ISP

Access, E-commerce)

Note: Not reccomended

for new designs. No longer

supported by Atmel.

• Personal Digital Agenda (PDA) Access

• User Authentication for Private and Confidential Data Access

• Portable Fingerprint

• Fingerprint Acquisition

Figure 3-1. Packages Available

CB08YV

CB12YI

CB09YV

5347F-BIOM-3/08

12 3 4 5 6 7...46

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